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St. Silvester weather 15 days
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–St. Silvester weather 15 days, from 14 Nov to 29 Nov: 0 day(s) of clear skies expected, highs from 1 to 12 °C and 71.3 mm of precipitation in total. Day-by-day table (Open-Meteo model).
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today |  fog | −2 °C | 4 °C | 0.0 mm | 6 km/h |
| Tomorrow |  showers | 2 °C | 10 °C | 7.2 mm | 16 km/h |
| Mon 16 Nov | showers | 5 °C | 8 °C | 11.0 mm | 26 km/h |
| Tue 17 Nov | showers | 7 °C | 12 °C | 7.2 mm | 36 km/h |
| Wed 18 Nov |  thunderstorms | 7 °C | 10 °C | 9.1 mm | 35 km/h |
| Thu 19 Nov | showers | 5 °C | 10 °C | 7.4 mm | 28 km/h |
| Fri 20 Nov |  light snow | −1 °C | 5 °C | 6.3 mm | 28 km/h |
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Sat 21 Nov | fog | −2 °C | 7 °C | 0.1 mm | 10 km/h |
| Sun 22 Nov |  drizzle | 1 °C | 9 °C | 5.0 mm | 10 km/h |
| Mon 23 Nov | light drizzle | 1 °C | 6 °C | 0.4 mm | 8 km/h |
| Tue 24 Nov | light drizzle | 0 °C | 6 °C | 1.0 mm | 3 km/h |
| Wed 25 Nov | light snow | 0 °C | 3 °C | 3.4 mm | 13 km/h |
| Thu 26 Nov | light snow | −1 °C | 1 °C | 1.6 mm | 9 km/h |
| Fri 27 Nov |  overcast | −1 °C | 5 °C | 0.0 mm | 4 km/h |
| Sat 28 Nov | snow showers | 0 °C | 4 °C | 4.4 mm | 25 km/h |
| Sun 29 Nov | snow showers | −3 °C | 2 °C | 7.1 mm | 27 km/h |
And at 20, 25 or 30 days? No model seriously forecasts that far. Climatology takes over: the November norm is 3.3 °C in St. Silvester, the December norm 0.4 °C (MeteoSwiss 1991–2020, monthly means measured nearby).
Frequently asked questions
Which will be the warmest day of the next 15 days in St. Silvester?
tuesday 17 Nov, with a high of 12 °C. The coolest will be thursday 26 Nov, with 1 °C.
How many rainy days are expected in St. Silvester over 15 days?
12 days with at least 1 mm, for 71.3 mm in total. The wettest: monday 16 Nov (11.0 mm).
What is the outlook for next week in St. Silvester?
Cooler than this one: an average high of 5.3 °C against 8.4 °C.
Will the fortnight be warmer than normal in St. Silvester?
Within the norm: an expected mean of 3.8 °C, against 3.3 °C for the MeteoSwiss 1991–2020 norm for November.
Will it snow in St. Silvester in the next 15 days?
Yes: 3 days with snow, 6 cm in total, mostly friday 20 Nov.
Are these 15-day forecasts reliable?
Reliability decreases with the horizon: excellent at 3 days, good up to 7, indicative beyond 10. Each passing day sharpens the rest.
Can the weather be forecast a month ahead?
No, not day by day. That is why this page completes the 16 forecast days with the MeteoSwiss monthly norms for St. Silvester: the most honest estimate beyond two weeks.
meteo-ch.ch · Open-Meteo data, MeteoSwiss norms 1991–2020